CN110756540A

CN110756540A - Organic chemistry experiment test tube self-cleaning stoving degassing unit

Info

Publication number: CN110756540A
Application number: CN201911102402.1A
Authority: CN
Inventors: 方流升
Original assignee: Zibo Hairui Medical Devices Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-02-07
Anticipated expiration: 2039-11-12
Also published as: GB202002669D0; CN110756540B

Abstract

The invention discloses an automatic cleaning, drying and sterilizing device for organic chemical experiment test tubes, which comprises a machine body and a top plate, the top plate is positioned at the upper side of the machine body, a cleaning cavity with an upward opening is arranged in the machine body, a working block is arranged on the inner wall of the cleaning cavity in a vertically sliding manner, the right side of the cleaning cavity is communicated with a lifting cavity, the lower side of the lifting cavity is provided with a motor cavity, the motor cavity is internally provided with a lifting mechanism which can control the working block to lift, and simultaneously controls the control mechanism for accelerating the lifting of the top plate, the invention can carry out deeper automatic cleaning, drying and disinfection on the test tube used in organic chemistry experiments, so that the whole cleaning process is more convenient, the experimental time is not occupied, and the cleaning effect is better, the contact problem of chemicals to human bodies in the cleaning process can be effectively reduced, wherein the control mechanism can automatically control the lifting of the top plate and the working block at different speeds at the same time.

Description

Organic chemistry experiment test tube self-cleaning stoving degassing unit

Technical Field

The invention relates to the technical field of organic chemistry, in particular to an automatic cleaning, drying and sterilizing device for an organic chemistry experiment test tube.

Background

Organic chemistry experiment can use a lot of test tubes to operate in the experimentation, but after every experiment or when the experiment carries out the in-process and need wash the test tube, all can be very troublesome, at first probably wash unclean, secondly there may be the human problem of chemical adhesion, and consuming time and power, if in the experiment goes on, can seriously influence the time of experiment and operation procedure's control, in addition, generally wash the test tube and all directly wash with the running water, then dry naturally, this can lead to secondary pollution, still can have the insufficient problem of washing.

Disclosure of Invention

The invention aims to provide an automatic cleaning, drying and sterilizing device for organic chemical experiment test tubes, which is used for overcoming the defects in the prior art.

The automatic cleaning, drying and disinfecting device for the test tube in the organic chemistry experiment comprises a machine body and a top plate, wherein the top plate is positioned on the upper side of the machine body, a cleaning cavity with an upward opening is arranged in the machine body, a working block is arranged on the inner wall of the cleaning cavity in a vertically sliding manner, a lifting cavity is communicated with the right side of the cleaning cavity, a motor cavity is formed in the lower side of the lifting cavity, a control mechanism capable of controlling the lifting of the working block and controlling the accelerated lifting of the top plate is arranged in the motor cavity, two bilaterally symmetrical cleaning shafts capable of being used for cleaning the inner wall of the test tube are rotatably arranged on the top surface of the working block, the cleaning shafts can be sleeved on the periphery of the cleaning shafts, two bilaterally symmetrical pressing blocks capable of fixing the test tube are fixedly arranged on the bottom surface of the top plate, a power cavity is formed in the working block, and the power cavity is provided with, and toward the power unit of test tube inner wall injection clear water, the downside intercommunication in washing chamber is equipped with the water pump chamber, the water pump has set firmly on the diapire in water pump chamber, the downside in water pump chamber is seted up the back and is deposited the water cavity, it has the clear water to deposit the water cavity, the water pump can the clear water of depositing the water cavity is carried and is given power unit, the heating chamber has been seted up in the left side of depositing the water cavity, the water storage box has set firmly on the inner wall in heating chamber, be equipped with the ascending evaporation chamber of opening in the water storage box, the heating intracavity is equipped with the accessible manual control handle the clear water of depositing the water cavity is carried extremely in the evaporation chamber to it is past to carry high temperature heating steam heating sterile steam mechanism.

Further technical scheme, control mechanism establishes including rotating the lift post on the roof in lift chamber, the downwardly extending part of lift post runs through the work piece to stretch into the motor intracavity, the inner wall of work piece with threaded connection between the lift post, set firmly first motor on the diapire in motor chamber, the top surface of first motor with lift post power is connected.

In the further technical proposal, a square cavity with an upward opening is arranged at the left side of the cleaning cavity, a square column is fixedly arranged at the bottom surface of the top plate, the square column is arranged on the inner wall of the square cavity in a sliding way, the right side of the lifting cavity is provided with a sliding cavity, the bottom surface of the top plate is fixedly provided with a threaded sleeve which is arranged on the inner wall of the sliding cavity in a sliding manner, a threaded cavity with a downward opening is arranged in the threaded sleeve, a screw rod is connected and arranged on the inner wall of the threaded cavity in a threaded manner, the downward extending part of the screw rod extends into the motor cavity, the screw rod is rotationally connected with the inner wall of the machine body, a gear shaft is rotatably arranged on the bottom wall of the motor cavity, a first gear is fixedly arranged on the periphery of the gear shaft, a second gear is fixedly arranged on the periphery of the lifting column in the motor cavity, the second gear is meshed with the first gear, and an accelerator is arranged between the gear shaft and the screw in a power connection mode.

According to the further technical scheme, air holes are formed in the top plate, a folding isolation plate is fixedly arranged between the cleaning cavity and the lifting cavity, and supporting blocks are fixedly arranged on the left side and the right side of the machine body.

According to the technical scheme, a brush is fixedly arranged on the periphery of the cleaning shaft, and a rotary spray head is rotatably arranged on the top surface of the cleaning shaft.

A further technical scheme is that the power mechanism comprises a second motor fixedly arranged on the bottom wall of the power cavity, the left side and the right side of the second motor are respectively provided with a worm in a power connection mode, the worm is rotatably connected with the inner walls of the left side and the right side of the power cavity, eccentric wheels are fixedly arranged on the periphery of the worm, downward extending parts of the cleaning shaft extend into the power cavity, a worm wheel is fixedly arranged on the bottom surface of the downward extending parts of the cleaning shaft, the worm wheel is meshed with the worm, a tee cavity is formed in the lower side of the power cavity in a communicated mode, a connecting cavity is formed in the rear side of the power cavity in a connected mode, a sliding block is arranged on the rear wall of the connecting cavity in a sliding mode, a first spring is fixedly arranged between the top surface of the sliding block and the top wall of the connecting cavity, and the downward extending parts of the sliding block can extend into the tee, the front side surface of the sliding block is provided with teeth, the backward extending part of the eccentric wheel can extend into the connecting cavity and can be meshed with the sliding block, the bottom surface of the rotary spray head is communicated with a water pipe, and the downward extending part of the water pipe penetrates through the cleaning shaft, the worm wheel and the power cavity and is communicated with the three-way cavity.

A further technical scheme, the top surface intercommunication of water pump is equipped with the hose, the hose with the bottom surface fixed connection of work piece, and with three-way chamber intercommunication sets up, the bottom surface intercommunication of water pump is equipped with the pipe that absorbs water, the pipe downwardly extending part that absorbs water stretches into deposit the water intracavity, the rear side intercommunication of depositing the water chamber is equipped with the valve of adding water, the logical chamber of two bilateral symmetry has been seted up to the interior division of work piece, first drain pipe and second drain pipe have been seted up to the left and right sides of water pump chamber, first drain pipe with second drain pipe intercommunication, first drain pipe with the second drain pipe all with lead to the chamber intercommunication, the second drain pipe communicates with the external world.

The further technical scheme is that the steam mechanism comprises a heating device fixedly arranged on the bottom wall of the heating cavity, the bottom surface of the water storage tank is fixedly connected with the top surface of the heating device, a water discharging cavity is communicated between the evaporation cavity and the water pump, a rectangular cavity is communicated with the lower side of the water discharging cavity, a sealing block is arranged on the inner wall of the rectangular cavity in a vertical sliding manner and can seal the water discharging cavity, a second spring is fixedly connected between the bottom surface of the sealing block and the bottom wall of the rectangular cavity, a vertical rod is fixedly arranged on the bottom surface of the sealing block, a downward extending part of the vertical rod extends out of the outside and is fixedly provided with a handheld ball, the vertical rod is slidably connected with the inner wall of the machine body, a first vent pipe and a second vent pipe are arranged in the working block, the first vent pipe and the second vent pipe are both communicated with the three-way cavity, and the first vent pipe and the second vent pipe are both positioned on the sides where, the second breather pipe with first breather pipe intercommunication, the upside intercommunication in evaporation chamber is equipped with carries the chamber, carry the chamber with first breather pipe intercommunication.

The invention has the beneficial effects that: the test tube cleaning machine can carry out deeper automatic cleaning, drying and disinfection on test tubes used in organic chemical experiments, so that the whole cleaning process is more convenient, the experiment time is not occupied, the cleaning effect is better, and the problem of contact of chemical substances to human bodies in the cleaning process can be effectively reduced.

Drawings

FIG. 1 is a schematic view of the internal overall structure of the present invention;

FIG. 2 is a left side view of the eccentric wheel and the sliding block in the working state of the invention;

FIG. 3 is an enlarged schematic view of the internal structure of the working block of the present invention;

fig. 4 is an enlarged schematic view of the invention at a in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-4, an automatic cleaning, drying and sterilizing device for organic chemistry experiment test tubes according to an embodiment of the present invention includes a machine body 61 and a top plate 11, the top plate 11 is located on the upper side of the machine body 61, a cleaning chamber 12 with an upward opening is provided in the machine body 61, a working block 29 is slidably provided on the inner wall of the cleaning chamber 12 up and down, a lifting chamber 23 is provided on the right side of the cleaning chamber 12, a motor chamber 68 is provided on the lower side of the lifting chamber 23, a control mechanism 101 for controlling the lifting of the working block 29 and controlling the accelerated lifting of the top plate 11 is provided in the motor chamber 68, two cleaning shafts 16 which are bilaterally symmetric and can be used for cleaning the inner wall of the test tube 14 are rotatably provided on the top surface of the working block 29, the cleaning shafts 16 can be sleeved on the periphery of the cleaning shafts 16, two pressing blocks 13 which are bilaterally symmetric and can be used for, a power cavity 51 is arranged in the working block 29, the power cavity 51 is provided with a mechanism for controlling the cleaning shaft 16 to rotate to achieve the cleaning effect, a power mechanism 102 for spraying clean water to the inner wall of the test tube 14, a water pump cavity 47 is communicated with the lower side of the cleaning cavity 12, a water pump 39 is fixedly arranged on the bottom wall of the water pump cavity 47, a rear water storage cavity 38 is arranged at the lower side of the water pump cavity 47, the clear water is stored in the water storage cavity 38, the water pump 39 can convey the clear water in the water storage cavity 38 to the power mechanism 102, a heating cavity 43 is arranged at the left side of the water storage cavity 38, a water storage tank 42 is fixedly arranged on the inner wall of the heating cavity 43, an evaporation cavity 44 with an upward opening is arranged in the water storage tank 42, clean water in the water storage cavity 38 can be conveyed into the evaporation cavity 44 through manual control in the heating cavity 43, and a steam mechanism 103 for heating and sterilizing the inner wall of the test tube 14 by steam at a high temperature.

In addition, in one embodiment, the control mechanism 101 includes a lifting column 24 rotatably disposed on the top wall of the lifting cavity 23, a downward extending portion of the lifting column 24 penetrates through the working block 29 and extends into the motor cavity 68, an inner wall of the working block 29 is in threaded connection with the lifting column 24, a first motor 34 is fixedly disposed on the bottom wall of the motor cavity 68, a top surface of the first motor 34 is in power connection with the lifting column 24, and the lifting column 24 can drive the working block 29 to achieve a lifting effect through operation of the first motor 34.

In addition, in an embodiment, a square cavity 21 with an upward opening is arranged at the left side of the cleaning cavity 12, a square column 20 is fixedly arranged on the bottom surface of the top plate 11, the square column 20 is slidably arranged on the inner wall of the square cavity 21, a sliding cavity 26 is arranged at the right side of the lifting cavity 23, a threaded sleeve 25 is fixedly arranged on the bottom surface of the top plate 11, the threaded sleeve 25 is slidably arranged on the inner wall of the sliding cavity 26, a threaded cavity 28 with a downward opening is arranged in the threaded sleeve 25, a screw 27 is connected to the inner wall of the threaded cavity 28 in a threaded manner, a downward extending part of the screw 27 extends into the motor cavity 68, the screw 27 is rotatably connected with the inner wall of the machine body 61, a gear shaft 33 is rotatably arranged on the bottom wall of the motor cavity 68, a first gear 32 is fixedly arranged on the periphery of the gear shaft 33, a second gear 31 is fixedly arranged on the periphery of the lifting column 24 in the motor cavity 68, second gear 31 with first gear 32 meshes, gear shaft 33 with power connection is equipped with accelerator 30 between the screw rod 27, through the operation of first motor 34 can make lift post 24 drives gear shaft 33 rotates, through accelerator 30 can make gear shaft 33 drives with higher speed screw rod 27 rotates, and then can make swivel nut 25 drives with higher speed roof 11 goes up and down, then can make wash chamber 12 and external intercommunication, reach and conveniently take and put the effect of test tube 14.

In addition, in one embodiment, an air hole 19 is formed in the top plate 11, a folding isolation plate 22 is fixedly arranged between the cleaning chamber 12 and the lifting chamber 23, supporting blocks 35 are fixedly arranged on the left side and the right side of the machine body 61, the air exhausting effect can be achieved through the air hole 19, and the isolation effect can be achieved through the folding isolation plate 22.

In addition, in one embodiment, a brush 17 is fixedly arranged on the periphery of the cleaning shaft 16, a rotary nozzle 15 is rotatably arranged on the top surface of the cleaning shaft 16, the cleaning effect can be achieved through the brush 17, and the water spraying effect can be achieved through the rotary nozzle 15.

In addition, in one embodiment, the power mechanism 102 includes a second motor 54 fixedly arranged on the bottom wall of the power cavity 51, both left and right sides of the second motor 54 are provided with worms 56 in a power connection manner, the worms 56 are rotatably connected with both left and right inner walls of the power cavity 51, the outer peripheries of the worms 56 are provided with eccentric wheels 53, downward extending portions of the cleaning shaft 16 extend into the power cavity 51, the bottom surface of the cleaning shaft is provided with a worm wheel 50, the worm wheel 50 is engaged with the worm 56, the lower side of the power cavity 51 is provided with a tee cavity 57 in a communication manner, the rear side of the power cavity 51 is provided with a connecting cavity 55 in a connection manner, the connecting cavity 55 is communicated with the tee cavity 57, the rear wall of the connecting cavity 55 is provided with a sliding block 60 in a sliding manner, a first spring 52 is fixedly arranged between the top surface of the sliding block 60 and the top wall of the connecting cavity 55, the downward extending portion of the sliding block 60 can extend into the tee cavity 57, the three-way cavity 57 can be sealed, the front side surface of the sliding block 60 is provided with teeth, the backward extending part of the eccentric wheel 53 can extend into the connecting cavity 55 and can be meshed with the sliding block 60, the bottom surface of the rotary spray head 15 is communicated with a water pipe 18, the downward extending part of the water pipe 18 penetrates through the cleaning shaft 16, the worm wheel 50 and the power cavity 51 and is communicated with the three-way cavity 57, the worm 56 can drive the cleaning shaft 16 and the eccentric wheel 53 to simultaneously rotate through the operation of the second motor 54, the cleaning shaft 16 can drive the hairbrush 17 to rotate to achieve a cleaning effect, the eccentric wheel 53 can enable the sliding block 60 to intermittently slide upwards, and then the three-way cavity 57 can be intermittently communicated with the water pipe 18 to achieve the effects of saving water and strengthening the cleaning effect.

In addition, in one embodiment, a hose 48 is arranged on the top surface of the water pump 39 in a communication manner, the hose 48 is fixedly connected with the bottom surface of the working block 29, and is communicated with the three-way cavity 57, the bottom surface of the water pump 39 is communicated with a water suction pipe 40, the downward extending part of the suction pipe 40 extends into the water storage cavity 38, the rear side of the water storage cavity 38 is communicated with a water adding valve 37, two bilaterally symmetrical through cavities 49 are formed in the working block 29, a first water discharge pipe 36 and a second water discharge pipe 46 are formed in the left side and the right side of the water pump cavity 47, the first drain pipe 36 and the second drain pipe 46 are communicated, the first drain pipe 36 and the second drain pipe 46 are both communicated with the through cavity 49, the second drain pipe 46 is communicated with the outside, water can be pumped into the three-way chamber 57 by means of the water pump 39, and the waste cleaning fluid can be discharged from the device via the second drain 46.

In addition, in one embodiment, the steam mechanism 103 includes a heating device 41 fixed on the bottom wall of the heating chamber 43, the bottom surface of the water storage tank 42 is fixedly connected to the top surface of the heating device 41, a water discharging chamber 62 is communicated between the evaporation chamber 44 and the water pump 39, a rectangular chamber 64 is communicated with the lower side of the water discharging chamber 62, a sealing block 63 is slidably arranged on the inner wall of the rectangular chamber 64 up and down, the sealing block 63 can seal the water discharging chamber 62, a second spring 66 is fixedly connected between the bottom surface of the sealing block 63 and the bottom wall of the rectangular chamber 64, a vertical rod 65 is fixed on the bottom surface of the sealing block 63, a hand-held ball 67 is fixed on the downward extending part of the vertical rod 65, the vertical rod 65 is slidably connected to the inner wall of the machine body 61, a first vent pipe 59 and a second vent pipe 58 are arranged in the working block 29, the first breather pipe 59 and the second breather pipe 58 are communicated with the tee cavity 57, the first breather pipe 59 and the second breather pipe 58 are located on two sides, away from the slide blocks 60, of the slide blocks 60, the second breather pipe 58 is communicated with the first breather pipe 59, the upper side of the evaporation cavity 44 is communicated with the conveying cavity 45, the conveying cavity 45 is communicated with the first breather pipe 59, the hand-held ball 67 is pulled manually, the closed block 63 can be opened downwards, clean water in the water pump 39 can be discharged into the evaporation cavity 44, and through the heating effect of the heating device 41, the clean water can be heated into steam, and then the steam can be introduced into the inner wall of the test tube 14 for steam drying, heating and disinfection.

In the initial state, the top plate 11 is in a state of closing the cleaning chamber 12, the working block 29 is located on the bottom wall of the cleaning chamber 12, the slider 60 closes the three-way chamber 57, and the closing block 63 closes the water discharge chamber 62.

When the device is used, the lifting column 24 can drive the working block 29 to achieve the lifting effect through the operation of the first motor 34, the lifting column 24 can drive the gear shaft 33 to rotate through the operation of the first motor 34, the gear shaft 33 can drive the screw 27 to rotate through the acceleration of the accelerator 30, the screw sleeve 25 can drive the top plate 11 to lift through the acceleration, the cleaning cavity 12 can be communicated with the outside, the effect of conveniently taking and placing the test tube 14 can be achieved, the exhaust effect can be achieved through the air hole 19, the isolation effect can be achieved through the folding isolation plate 22, the cleaning effect can be achieved through the hairbrush 17, the water spraying effect can be achieved through the rotating nozzle 15, the worm 56 can drive the cleaning shaft 16 and the eccentric wheel 53 to rotate simultaneously through the operation of the second motor 54, the cleaning shaft 16 can drive the hairbrush 17 to rotate to achieve the cleaning effect, the eccentric wheel 53 can enable the sliding block 60 to intermittently slide upwards, and further the three-way cavity 57 can be intermittently communicated, reach the effect of water conservation and strengthening the cleaning performance, can lead to into water in the tee bend chamber 57 through water pump 39, can hold ball 67 through manual pulling to abluent waste liquid eduction gear through second drain pipe 46, can make the closing block 63 open downwards, and then can make the clear water in the water pump 39 can discharge in the evaporation chamber 44, and through heating device 41's heating effect, can make the clear water be heated into steam, then can let in and carry out steam drying heating disinfection in the inner wall of test tube 14.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides an organic chemistry experiment test tube self-cleaning stoving degassing unit, includes organism and roof, its characterized in that: the top plate is positioned at the upper side of the machine body, a cleaning cavity with an upward opening is arranged in the machine body, a working block is arranged on the inner wall of the cleaning cavity in a vertically sliding manner, the right side of the cleaning cavity is communicated with a lifting cavity, the lower side of the lifting cavity is provided with a motor cavity, the motor cavity is internally provided with a lifting mechanism which can control the working block to lift, and simultaneously controls the top plate to accelerate the lifting, two bilaterally symmetrical cleaning shafts which can be used for cleaning the inner wall of the test tube are rotatably arranged on the top surface of the working block, the cleaning shaft can be sleeved on the periphery of the cleaning shaft, two pressing blocks which are symmetrical left and right and can be used for fixing the test tube are fixedly arranged on the bottom surface of the top plate, a power cavity is formed in the working block, and is provided with a power mechanism which can be used for controlling the cleaning shaft to rotate to achieve the cleaning effect and spraying clean water to the inner wall of the test tube;

wash the downside intercommunication in chamber and be equipped with water pump chamber, the water pump has set firmly on the diapire of water pump chamber, water pump chamber's downside is seted up the back and is deposited the water cavity, it has the clear water to deposit the water cavity, the water pump can the clear water of depositing the water cavity is carried and is given power unit, the left side of depositing the water cavity has seted up the heating chamber, the water storage box has set firmly on the inner wall in heating chamber, be equipped with the ascending evaporation chamber of opening in the water storage box, the heating intracavity is equipped with the accessible manual control handle the clear water of depositing the water cavity is carried extremely in the evaporation chamber to high temperature heating is past steam heating sterile steam mechanism in the inner wall of test tube.

2. The automatic cleaning, drying and sterilizing device for the organic chemistry experiment test tube according to claim 1, wherein: control mechanism establishes including rotating the lift post on the roof in lift chamber, the downwardly extending part of lift post runs through the work piece to stretch into the motor intracavity, the inner wall of work piece with threaded connection between the lift post, set firmly first motor on the diapire in motor chamber, the top surface of first motor with lift post power is connected.

3. The automatic cleaning, drying and sterilizing device for the organic chemistry experiment test tube according to claim 2, characterized in that: a square cavity with an upward opening is arranged at the left side of the cleaning cavity, a square column is fixedly arranged at the bottom surface of the top plate, the square column is arranged on the inner wall of the square cavity in a sliding way, the right side of the lifting cavity is provided with a sliding cavity, the bottom surface of the top plate is fixedly provided with a threaded sleeve which is arranged on the inner wall of the sliding cavity in a sliding manner, a threaded cavity with a downward opening is arranged in the threaded sleeve, a screw rod is connected and arranged on the inner wall of the threaded cavity in a threaded manner, the downward extending part of the screw rod extends into the motor cavity, the screw rod is rotationally connected with the inner wall of the machine body, a gear shaft is rotatably arranged on the bottom wall of the motor cavity, a first gear is fixedly arranged on the periphery of the gear shaft, a second gear is fixedly arranged on the periphery of the lifting column in the motor cavity, the second gear is meshed with the first gear, and an accelerator is arranged between the gear shaft and the screw in a power connection mode.

4. The automatic cleaning, drying and sterilizing device for the organic chemistry experiment test tube according to claim 1, wherein: the top plate is internally provided with an air hole, a folding isolation plate is fixedly arranged between the cleaning cavity and the lifting cavity, and supporting blocks are fixedly arranged on the left side and the right side of the machine body.

5. The automatic cleaning, drying and sterilizing device for the organic chemistry experiment test tube according to claim 1, wherein: the periphery of the cleaning shaft is fixedly provided with a hairbrush, and the top surface of the cleaning shaft is rotatably provided with a rotary spray head.

6. The automatic cleaning, drying and sterilizing device for the organic chemistry experiment test tube according to claim 1, wherein: the power mechanism comprises a second motor fixedly arranged on the bottom wall of the power cavity, the left side and the right side of the second motor are provided with worms in a power connection mode, the worms are rotatably connected with the inner walls of the left side and the right side of the power cavity, eccentric wheels are fixedly arranged on the peripheries of the worms, downward extending parts of the cleaning shafts extend into the power cavity, worm wheels are fixedly arranged on the bottom surfaces of the worm wheels and meshed with the worms, a three-way cavity is communicated with the lower side of the power cavity, a connecting cavity is connected with the rear side of the power cavity and communicated with the three-way cavity, a sliding block is arranged on the rear wall of the connecting cavity in a sliding mode, a first spring is fixedly arranged between the top surface of the sliding block and the top wall of the connecting cavity, the downward extending parts of the sliding block can extend into the three-way cavity and can seal the three-way cavity, and teeth are arranged on the front side, the backward extending part of the eccentric wheel can extend into the connecting cavity and can be meshed with the sliding block, a water pipe is communicated with the bottom surface of the rotary spray head, and the downward extending part of the water pipe penetrates through the cleaning shaft, the worm wheel and the power cavity and is communicated with the three-way cavity.

7. The automatic cleaning, drying and sterilizing device for the organic chemistry experiment test tube according to claim 6, wherein: the top surface intercommunication of water pump is equipped with the hose, the hose with the bottom surface fixed connection of work piece, and with tee bend chamber intercommunication sets up, the bottom surface intercommunication of water pump is equipped with the pipe that absorbs water, the pipe downwardly extending part that absorbs water stretches into deposit the water intracavity, the rear side intercommunication of depositing the water chamber is equipped with the valve that adds water, the logical chamber of two bilateral symmetry has been seted up to the interior of work piece, first drain pipe and second drain pipe have been seted up to the left and right sides of water pump chamber, first drain pipe with the second drain pipe intercommunication, first drain pipe with the second drain pipe all with lead to the chamber intercommunication, second drain pipe and external intercommunication.

8. The automatic cleaning, drying and sterilizing device for the organic chemistry experiment test tube according to claim 1, wherein: the steam mechanism comprises a heating device fixedly arranged on the bottom wall of the heating cavity, the bottom surface of the water storage tank is fixedly connected with the top surface of the heating device, a water discharging cavity is communicated between the evaporation cavity and the water pump, a rectangular cavity is communicated with the lower side of the water discharging cavity, a sealing block is arranged on the inner wall of the rectangular cavity in a vertically sliding manner, the sealing block can seal the water discharging cavity, a second spring is fixedly connected between the bottom surface of the sealing block and the bottom wall of the rectangular cavity, a vertical rod is fixedly arranged on the bottom surface of the sealing block, a downward extending part of the vertical rod extends out of the outside and is fixedly provided with a handheld ball, the vertical rod is slidably connected with the inner wall of the machine body, a first vent pipe and a second vent pipe are arranged in the working block, the first vent pipe and the second vent pipe are both communicated with the three-way cavity, and are both positioned on the sides, far away from the sliding blocks, the second breather pipe with first breather pipe intercommunication, the upside intercommunication in evaporation chamber is equipped with carries the chamber, carry the chamber with first breather pipe intercommunication.